Advertisements
Advertisements
प्रश्न
The mirror used by the ophthalmologist to examine the eye is _______.
Advertisements
उत्तर
The mirror used by the ophthalmologist to examine the eye is Concave mirror.
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to show the path of the refracted ray in each of the following cases:-
A ray of light incident on a concave lens is
(i) passing through its optical centre.
(ii) parallel to its principal axis.
(iii) directed towards its principal focus.
Out of convex mirror and concave mirror, whose focus is situated behind the mirror?
Name the type of mirror used by dentists. How does it help?
A concave mirror produces a real image 1 cm tall of an object 2.5 mm tall placed 5 cm from the mirror. Find the position of the image and the focal length of the mirror.
If the object is moved further away from the mirror, what changes are there in the position and size of the image?
Which of the following are concave mirrors and which convex mirrors?
A concave mirror cannot be used as:
(a) a magnifying mirror
(b) a torch reflector
(c) a dentist's mirror
(d) a real view mirror
Name the mirror(s) that can give (i) an erect and enlarged image, (ii) same sized, inverted image
The focal length of a concave mirror is 5cm. Its radius of curvature is ______.
